Documentation-based comparison
Mailgun versus SMTP2GO
Compare documented scope and conditions. Unknowns remain unknown; different billing units do not establish a cost winner.
What the evidence answers
A reading of reviewed official documentation for Mailgun and SMTP2GO. It is not a hands-on test, a ranking or a recommendation of one product.
Price
- Mailgun From $15/mo
- Free: no subscription charge
- Basic: $15.00 monthly
- Foundation: $35.00 monthly
- Scale: $90.00 monthly
- Enterprise: Vendor quotation required
- SMTP2GO From $15/mo
- Free: no subscription charge
- Starter: $15.00 monthly
- Starter: $150.00 annual ($12.50/mo equivalent)
- Professional: $75.00 monthly
- Professional: $750.00 annual ($62.50/mo equivalent)
- Premier: Vendor quotation required
Both list prices on the same basis. Compare what each plan includes; the lower amount alone does not make the better choice.
Documented for both
- Sending volume
- Mailgun Free: 100 emails per dayBasic: 10,000 emails per monthFoundation: 50,000 emails per monthScale: 100,000 emails per month
- SMTP2GO Free: 1,000 emails per monthStarter: 10,000 emails per monthProfessional: 100,000 emails per monthPremier: More than 3,000,000 emails a month
- Sender domains
- Mailgun Free: 1 custom sending domainBasic: 1 custom sending domainFoundation: 1,000 custom sending domainsScale: 1,000 custom sending domains
- SMTP2GO SPF and DKIM are set up automatically for your sending domains.
- Log retention
- Mailgun Free: 1 day of logsBasic: 1 day of logsFoundation: 5 days of logsScale: 30 days of logs
- SMTP2GO Free: 5 days of email reportingStarter: 30 days of email reportingProfessional: 30 days of email reporting
- Dedicated IP
- Mailgun Extra dedicated IPs cost USD 59 per IP a month.Foundation: Available from the 50,000-email tier; one IP included from 100,000 emails a monthScale: One dedicated IP included, plus dedicated IP pools
- SMTP2GO Professional: Dedicated IP address included
- Support
- Mailgun Ticket, chat and phone support depend on the plan.Free: Ticket supportScale: Live phone and chat support
- SMTP2GO Starter: ticket, chat and phone support.Free: Ticket support; toll-free phone and live chat for the first 14 days onlyProfessional: Ticket, chat and phone support
- Overage charges
- Mailgun Extra emails are billed at the start of each month for the previous month, together with the plan fee.
- SMTP2GO Free: Extra emails are not permitted on Free.
Limits to check
- Mailgun Free and Basic allow 1 custom sending domain and 1 day of logs; Foundation raises this to 1,000 domains and 5 days, and Scale keeps 30 days.
- SMTP2GO The free plan is limited to 200 emails a day and does not allow extra emails.
Not verified yet
Every compared requirement has evidence for at least one.
Documented for one product only, shown in the table below: Mailgun: webhooks and events.
Not verified means our reviewed sources do not establish it. It does not mean a product lacks the capability or that it costs nothing.
Next steps
- Ask SMTP2GO about webhooks and events; our sources do not establish it yet.
| Requirement | Mailgun | SMTP2GO |
|---|---|---|
| Pricing | From $15/mo | From $15/mo |
| Who it is for | Sends application email through an HTTP API or an SMTP endpoint. Verified Oct 11, 2026 · Mailgun: official product and plan documentation | Email delivery for transactional email from apps, everyday email from Outlook and marketing email with an unsubscribe link. Verified Oct 11, 2026 · SMTP2GO homepage |
| Coverage limits | Free and Basic allow 1 custom sending domain and 1 day of logs; Foundation raises this to 1,000 domains and 5 days, and Scale keeps 30 days. Verified Oct 11, 2026 · Mailgun: official product and plan documentation | The free plan is limited to 200 emails a day and does not allow extra emails. Verified Oct 11, 2026 · SMTP2GO pricing, loaded monthly plan cards |
| Sending volume |
|
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| Sender domains |
| SPF and DKIM are set up automatically for your sending domains. Verified Oct 11, 2026 · SMTP2GO homepage |
| Log retention |
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| Webhooks and events | Tracking, analytics and webhooks are listed from the Free plan up. Basic, Foundation and Scale cards list them too. Verified Oct 11, 2026 · Mailgun: official product and plan documentation | Not verified |
| Dedicated IP | Extra dedicated IPs cost USD 59 per IP a month. Verified Oct 11, 2026 · Mailgun: official product and plan documentation
|
|
| Support | Ticket, chat and phone support depend on the plan. Verified Oct 11, 2026 · Mailgun: official product and plan documentation
| Starter: ticket, chat and phone support. Verified Oct 11, 2026 · SMTP2GO: official product and plan documentation
|
| Overage charges | Extra emails are billed at the start of each month for the previous month, together with the plan fee. The first month is prorated. Verified Oct 11, 2026 · Mailgun: official product and plan documentation |
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| Coverage note | Starting allowance. | At the default volume shown. |